Home / 8,921,442.74-12,311,590.95-5,053,963.88

Finding the Fourth Proportional to 8,921,442.74, 12,311,590.95 and 5,053,963.88

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Solution

The fourth proportional to 8,921,442.74, 12,311,590.95 and 5,053,963.88 is: 6,974,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,442.74 : 12,311,590.95 = 5,053,963.88 : x
  2. Step 2: Convert to fraction form
    8,921,442.74/12,311,590.95 = 5,053,963.88/x
  3. Step 3: Cross multiply
    8,921,442.74x = 12,311,590.95 × 5,053,963.88
  4. Step 4: Simplify right side
    8,921,442.74x = 62,222,335,905,076.93
  5. Step 5: Solve for x
    x = 62,222,335,905,076.93/8,921,442.74
  6. Step 6: Final answer
    x = 6,974,470.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.